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Pi Riddles
Do the Math
Pi Facts
Pi Formulas
Pi Puns
100
This is what you call a mathematician that takes over a ship.
What is a pi-rate
100
This is the circumference of a circle with a diameter of ten inches.
What is 31.4 inches
100
Pi is the ratio of a circle's circumference to this measurement.
What is the diameter
100
This is the formula to find the circumference of a circle using diameter.
What is pi times the diameter
100
This is the cutest pi there is
What is a "Cutie Pi-e"
200
This is what a mathematician needs to fly his plane.
What is a Pi-lot's License
200
This is the circumference of a circle with a radius of four centimeters
What is 25.12 centimeters
200
This is a number that cannot be expressed as a fraction of two integers
What is an irrational number
200
This is the formula for finding the circumference of a circle using the radius
What is 2 times pi times radius?
200
This is what you get when you divide a Jack-o-Lantern by its diameter.
What is Pumpkin Pi-e
300
This is a mathematician's favorite dessert.
What is Pi-e
300
This is the diameter of a circle with a circumference of 28.26 ft.
What is 9 ft.
300
Pi is the the 16th letter of this alphabet
What is Greek
300
Given the circumference, this is the formula to find the diameter.
What is circumference divided by pi
300
This is what you get when you take a Native Alaskan and divide his circumference by his diameter?
What is Eskimo Pi
400
This is the official animal of pi day 
What is a pi-thon
400
This is the circumference of a circle with a diameter of four inches
What is 12.56 square inches
400
He is credited with determining a remarkably accurate approximation of pi in earliest times
Who is Archimedes
400
Given the circumference, this is the formula to find the radius
What is circumference divided by pi divided by two
400
This is what you get when you take the sun and divide it by its diameter
What is Pi-e in the Sky
500
This is what the mathematician put into her gourmet cookies.
What is s -pi-ces
500
This is the circumference of a circle with a radius of five centimeters
What is 31.4 centimeters
500
This the connection between Albert Einstein and Pi Day
What is a birthday on March 14
500
This is the formula to find the area of a circle
What is pi times radius times radius
500

What do you get when you take green cheese and divide its circumference by its diameter? 

What is moon pi